MySQL
8.4.3
Source Code Documentation
olap.h
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/* Copyright (c) 2023, 2024, Oracle and/or its affiliates.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License, version 2.0,
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as published by the Free Software Foundation.
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This program is designed to work with certain software (including
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but not limited to OpenSSL) that is licensed under separate terms,
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as designated in a particular file or component or in included license
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documentation. The authors of MySQL hereby grant you an additional
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permission to link the program and your derivative works with the
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separately licensed software that they have either included with
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the program or referenced in the documentation.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License, version 2.0, for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
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#ifndef SQL_OLAP_TYPES_H
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#define SQL_OLAP_TYPES_H
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#include <stdint.h>
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#include <stdio.h>
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#include <sys/types.h>
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enum
olap_type
{
UNSPECIFIED_OLAP_TYPE
,
ROLLUP_TYPE
,
CUBE_TYPE
};
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inline
const
char
*
GroupByModifierString
(
enum
olap_type
olap) {
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switch
(olap) {
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case
ROLLUP_TYPE
: {
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return
"ROLLUP"
;
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}
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case
CUBE_TYPE
: {
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return
"CUBE"
;
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}
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default
: {
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return
"UNDEFINED"
;
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}
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}
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}
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/* Maximum number of Group By modifier branches to be supported is 128 */
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inline
int
GetMaximumNumGrpByColsSupported
(
enum
olap_type
olap) {
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switch
(olap) {
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case
ROLLUP_TYPE
: {
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return
127;
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}
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case
CUBE_TYPE
: {
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return
7;
/* (2^7) = 128*/
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}
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default
: {
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return
0;
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}
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}
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}
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#endif
// SQL_OLAP_TYPES_H
olap_type
olap_type
Definition:
olap.h:31
ROLLUP_TYPE
@ ROLLUP_TYPE
Definition:
olap.h:31
CUBE_TYPE
@ CUBE_TYPE
Definition:
olap.h:31
UNSPECIFIED_OLAP_TYPE
@ UNSPECIFIED_OLAP_TYPE
Definition:
olap.h:31
GetMaximumNumGrpByColsSupported
int GetMaximumNumGrpByColsSupported(enum olap_type olap)
Definition:
olap.h:48
GroupByModifierString
const char * GroupByModifierString(enum olap_type olap)
Definition:
olap.h:33
sql
olap.h
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